The Doomsday Clock is an internationally recognized design that conveys how close we are to destroying our civilization with dangerous technologies of our own making. First and foremost among these are nuclear weapons, but the dangers include climate-changing technologies, emerging... Read More

The author argues that, rather than banning hypersonic missile tests, it is better to use the time before hypersonics are deployed to debate their risks, develop deterrents to their use, and work out necessary confidence-building measures.

The author argues that, if a final nuclear deal between Iran and the P5+1 is reached, the international community must ensure that the International Atomic Energy Agency has the personnel, equipment, and budget to discharge its verification duties in Iran properly.

Naval propulsion reactors account for the largest non-weapons use of highly enriched uranium (HEU) in the world. The largest stores of naval propulsion fuel are in the United States, the Russian Federation, and the United Kingdom.

At three minutes to midnight on the Bulletin’s Doomsday Clock, the time has come to consider constructive steps on the multilateralization of nuclear arms control negotiations that lead toward disarmament.

Much of the conversation about winter-safe deterrence has focused on a hypothetical decision between deterrence with nuclear weapons and deterrence with non-contagious biological weapons (NCBWs). I regret that the conversation has been framed in this way.